<template>
    <el-container class="layout-container">
      <el-container>
        <el-header class="el-header">
          <el-dropdown placement="bottom-end">
            <span class="el-dropdown__box">
              <div>
                <strong>当前用户：</strong>{{ loginUser.nickName }}
              </div>
              <el-icon>
                <ArrowDownBold />
              </el-icon>
            </span>
            <template #dropdown>
              <el-dropdown-menu>
                <el-dropdown-item @click="logout" :icon="SwitchButton">退出登录</el-dropdown-item>
              </el-dropdown-menu>
            </template>
          </el-dropdown>
        </el-header>
        <el-main class="layout-bottom-box">
          <div class="left">
            <el-aside width="200px" class="el-aside">
              <!-- <div class="el-aside__logo"></div> -->
              <el-menu class="el-menu" router>
                <el-menu-item index="/oj/layout/cuser">
                  <el-icon>
                    <Management />
                  </el-icon>
                  <span>用户管理</span>
                </el-menu-item>
                <el-menu-item index="/oj/layout/question">
                  <el-icon>
                    <Management />
                  </el-icon>
                  <span>题目管理</span>
                </el-menu-item>
                <el-menu-item index="/oj/layout/exam">
                  <el-icon>
                    <Management />
                  </el-icon>
                  <span>竞赛管理</span>
                </el-menu-item>
              </el-menu>
            </el-aside>
          </div>
          <div class="right">
            <router-view></router-view>
          </div>
        </el-main>
      </el-container>
    </el-container>
  </template>
  
  <script setup>
  import { getUserInfoService, logoutService } from '@/apis/suser';
import router from '@/router';
import { removeToken } from '@/utils/cookie';
  import {
    Management,
    ArrowDownBold,
    SwitchButton
  } from '@element-plus/icons-vue'
import { reactive } from 'vue';

  const loginUser = reactive({
    nickName: ''
  })

  async function getUserInfo() {
    const userInfo = await getUserInfoService();
    loginUser.nickName = userInfo.data.nickName;
  }
  getUserInfo()

  // 当向后端发送退出请求之后，前端需要将存储的cookie删除，然后返回到登录界面
  async function logout() {
    await ElMessageBox.confirm(
      '确认退出',
      '温馨提示',
      {
        confirmButtonText: '确认',
        cancelButtonText: '退出',
        type: 'warning',
      }
    )
    await logoutService();
    removeToken();
    router.push("/oj/login")
  }

  </script>
  
  <style lang="scss" scoped>
  .layout-container {
    height: 100vh;
    background: #f7f7f7;
    .layout-bottom-box{
      display: flex;
      justify-content: space-between;
      height: calc(100vh - 100px);
      overflow: hidden;
      .left{
        margin-right: 20px;
        background: #fff;
        display: flex;
        :deep(.el-menu){
          flex: 1;
          .el-menu-item.is-active{
            color: #32c5ff;
          }
          .el-menu-item:hover{
            background:#fff ;
            color: #32c5ff;
          }
        }
      }
      .right{
        flex: 1;
        overflow-y: auto;
        background: #fff;
        padding: 20px;
      }
    }
    .el-aside {
      background-color: #fff;
  
      &__logo {
        height: 120px;
        // background: url('@/assets/logo.png') no-repeat center / 120px auto;
      }
  
      .el-menu {
        border-right: none;
      }
    }
  
    .el-header {
      background-color: #fff;
      display: flex;
      align-items: center;
      justify-content: flex-end;
      height: 40px;
  
      .el-dropdown__box {
        display: flex;
        align-items: center;
  
        .el-icon {
          color: #4c4141;
          margin-left: 20px;
        }
  
        &:active,
        &:focus {
          outline: none;
        }
      }
    }
  
    .el-footer {
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      color: #666;
    }
  }
  </style>
  